<template>
  <div id="category">
    <!-- 面包导航 -->
    <el-breadcrumb separator="/" style="padding-left:10px;padding-bottom:10px;font-size:12px;">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>物资管理</el-breadcrumb-item>
      <el-breadcrumb-item>物资分类</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="8">
<!--          <el-button type="warning"  icon="el-icon-circle-plus-outline" @click="openAdd">添加</el-button>-->
        </el-col>
      </el-row>
      <!-- 表格部分 -->
      <zk-table
        v-loading="loading"
        style="margin-top:10px;"
        ref="table"
        border
        stripe
        show-index
        :expand-type="false"
        :selection-type="false"
        sum-text="sum"
        index-text="#"
        :data="categorys"
        :columns="columns"
      >
        <!-- 层级 -->
        <template slot="lev" slot-scope="scope">
          <el-tag v-if="scope.row.lev===1">一级分类</el-tag>
          <el-tag type="info" v-else-if="scope.row.lev===2">二级分类</el-tag>
          <el-tag type="danger" v-else>三级分类</el-tag>
        </template>
        <!-- 操作 -->
        <template slot="caozuo" slot-scope="scope">
          <el-button type="primary" size="mini" icon="el-icon-edit" @click="edit(scope.row.id)"></el-button>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="del(scope.row.id)"></el-button>
        </template>
      </zk-table>
      <!-- 分页 -->
      <el-pagination
        style="margin-top:10px;"
        background

        :show-header="true"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="this.queryMap.pageNum"
        :page-sizes="[5,10, 15, 20, 25,30]"
        :page-size="this.queryMap.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
      <!-- 添加弹出框 -->
      <el-dialog title="添加分类" :visible.sync="addDialogVisible" @close="addCloseDialog" width="50%">
        <span>
          <el-form :model="addRuleForm" :rules="addRules" ref="addRuleFormRef" label-width="100px">
            <el-form-item label="分类名称" prop="name">
              <el-input v-model="addRuleForm.name"></el-input>
            </el-form-item>
            <el-form-item label="父分类" prop="pid">
              <el-cascader
                @change="selectParentChange"
                @clear="clearParent"
                :change-on-select="true"
                :options="parentCategorys"
                clearable
                filterable
                style="width:100%"
                :props="selectProps"
                v-model="pKeys"
              ></el-cascader>
            </el-form-item>
            <el-form-item label="备注" prop="remark">
              <el-input type="textarea" v-model="addRuleForm.remark"></el-input>
            </el-form-item>
            <el-form-item label="排序" prop="sort">
              <el-input-number v-model="addRuleForm.sort" :min="1" :max="10" label="排序"></el-input-number>
            </el-form-item>
          </el-form>
        </span>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="add" :disabled="btnDisabled" :loading="btnLoading">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 编辑弹出框 -->
      <el-dialog title="编辑分类" :visible.sync="editDialogVisible" @close="editCloseDialog" width="50%">
        <span>
          <el-form :model="editRuleForm" :rules="addRules" ref="editRuleFormRef" label-width="100px">
            <el-form-item label="分类名称" prop="name">
              <el-input v-model="editRuleForm.name"></el-input>
            </el-form-item>

            <el-form-item label="备注" prop="remark">
              <el-input type="textarea" v-model="editRuleForm.remark"></el-input>
            </el-form-item>
            <el-form-item label="排序" prop="sort">
              <el-input-number v-model="editRuleForm.sort" :min="1" :max="10" label="排序"></el-input-number>
            </el-form-item>
          </el-form>
        </span>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="update" :disabled="btnDisabled" :loading="btnLoading">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      btnLoading: false,
      btnDisabled: false,
      loading: true,
      pKeys: [],
      addDialogVisible: false,
      editDialogVisible: false,
      editRuleForm: [],
      addRuleForm: { pid: '0', name: '', remark: '', sort: '' }, // 添加表单
      addRules: {
        name: [
          { required: true, message: '请输入分类名', trigger: 'blur' },
          { min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }
        ],
        remark: [
          { required: true, message: '请输入备注信息', trigger: 'blur' }
        ],
        sort: [{ required: true, message: '请输入排序号', trigger: 'blur' }]
      },
      total: 0,
      queryMap: { pageNum: 1, pageSize: 5 },
      categorys: [],
      parentCategorys: [],
      selectProps: {
        expandTrigger: 'hover',
        value: 'id',
        label: 'name',
        children: 'children'
      }, // 级联选择器配置项
      columns: [
        {
          label: '分类名称',
          prop: 'name'
        },
        {
          label: '排序',
          prop: 'sort'
        },
        {
          label: '创建时间',
          prop: 'createTime'
        },
        {
          label: '修改时间',
          prop: 'modifiedTime'
        },
        {
          label: '备注',
          prop: 'remark'
        },
        {
          label: '层级',
          prop: 'lev',
          type: 'template',
          template: 'lev'
        },
        {
          label: '操作',
          type: 'template',
          template: 'caozuo'
        }
      ]
    }
  },
  methods: {
    async update () {
      this.$refs.editRuleFormRef.validate(async valid => {
        if (valid) {
          this.btnLoading = true
          this.btnDisabled = true
          const { data: res } = await this.$http.put(
            'prodCate/',
            this.editRuleForm
          )
          if (res.code === 200) {
            this.$notify({
              title: '成功',
              message: '分类信息更新',
              type: 'success'
            })
            await this.getCategoryList()
          } else {
            this.$message.error('分类信息更新失败:' + res.msg)
          }
          this.btnLoading = false
          this.btnDisabled = false
          this.editDialogVisible = false
        }
      })
    },
    // 打开修改框
    async edit (id) {
      const { data: res } = await this.$http.get('prodCate/' + id)
      if (res.code === 200) {
        this.editRuleForm = res.data
      } else {
        return this.$message.error('分类信息编辑失败' + res.msg)
      }
      this.editDialogVisible = true
    },
    // 删除分类
    async del (id) {
      var res = await this.$confirm(
        '此操作将永久删除该分类, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      )
      if (res === 'confirm') {
        const { data: res } = await this.$http.delete('prodCate/' + id)
        if (res.code === 200) {
          this.$message.success('分类删除成功')
          await this.getCategoryList()
        } else {
          this.$message.error(res.msg)
        }
      }
    },

    // 父级分类中改变
    selectParentChange () {
      var len = this.pKeys.length
      if (len > 0) {
        this.addRuleForm.pid = this.pKeys[len - 1]
      } else {
        this.addRuleForm.pid = 0
      }
    },
    // 加载分类数据
    async getCategoryList () {
      const { data: res } = await this.$http.get(
        'prodCate/getProdCateTree',
        {
          params: this.queryMap
        }
      )
      if (res.code !== 200) return this.$message.error('分类列表失败')
      this.categorys = res.data.data
      this.total = res.data.total
      this.setLev()
    },
    // 设置lev等级
    setLev () {
      this.categorys.forEach(category => {
        if (category.pid === 0) {
          category.lev = 1
          category.children.forEach(categoryChild => {
            if (categoryChild.pid === 20 || categoryChild.pid === 24 ||
              categoryChild.pid === 33 || categoryChild.pid === 59) {
              categoryChild.lev = 2
            }
          })
        }
      })
    },
    // 加载父级分类数据
    async getParentCategoryList () {
      const { data: res } = await this.$http.get(
        'prodCate/getParentCategoryTree'
      )
      if (res.code !== 200) return this.$message.error('父级分类列表失败')
      this.parentCategorys = res.data
    },
    // 添加分类
    async add () {
      this.$refs.addRuleFormRef.validate(async valid => {
        if (valid) {
          this.btnLoading = true
          this.btnDisabled = true
          const { data: res } = await this.$http.post(
            'prodCate/add',
            this.addRuleForm
          )
          if (res.code === 200) {
            this.$message.success('分类添加成功')
            await this.getCategoryList()
          } else {
            return this.$message.error('分类添加失败:' + res.msg)
          }
          this.addDialogVisible = false
          this.btnLoading = false
          this.btnDisabled = false
        }
      })
    },
    // 改变页码
    handleSizeChange (newSize) {
      this.queryMap.pageSize = newSize
      this.getCategoryList()
    },
    // 翻页
    handleCurrentChange (current) {
      this.queryMap.pageNum = current
      this.getCategoryList()
    },
    // 打开添加
    openAdd () {
      this.addDialogVisible = true
      this.getParentCategoryList()
    },
    // 关闭弹出框
    addCloseDialog () {
      this.$refs.addRuleFormRef.clearValidate()
      this.addRuleForm = {}
      this.pKeys = []
    },
    editCloseDialog () {
      this.$refs.editRuleFormRef.clearValidate()
      this.editRuleForm = {}
    },
    clearParent () {
      this.addRuleForm.pid = ''
    }

  },
  created () {
    this.getCategoryList()

    setTimeout(() => {
      this.loading = false
    }, 500)
  }
}
</script>
